<script lang="ts" setup>
import type { DailyTaskItem, DailyTaskStatusOutput } from '@/api/dailyTask/types';
import { ElMessage } from 'element-plus';
import { onMounted, ref } from 'vue';
import { claimTaskReward, getTodayTaskStatus } from '@/api/dailyTask';

const taskData = ref<DailyTaskStatusOutput | null>(null);
const loading = ref(false);
const claiming = ref<{ [key: number]: boolean }>({});

onMounted(() => {
  fetchTaskStatus();
});

async function fetchTaskStatus() {
  loading.value = true;
  try {
    const res = await getTodayTaskStatus();
    taskData.value = res.data;
  }
  catch (error: any) {
    ElMessage.error(error?.message || '获取任务状态失败');
  }
  finally {
    loading.value = false;
  }
}

async function handleClaim(task: DailyTaskItem) {
  if (task.status !== 1)
    return;

  claiming.value[task.level] = true;
  try {
    await claimTaskReward({ taskLevel: task.level });
    ElMessage.success(`恭喜！获得 ${formatTokenDisplay(task.rewardTokens)} token`);

    // 刷新任务状态
    await fetchTaskStatus();
  }
  catch (error: any) {
    ElMessage.error(error?.message || '领取奖励失败');
  }
  finally {
    claiming.value[task.level] = false;
  }
}

// 格式化 Token 显示（单位：万）
function formatTokenDisplay(tokens: number): string {
  return `${(tokens / 10000).toFixed(0)}w`;
}

// 获取任务状态文本
function getStatusText(task: DailyTaskItem): string {
  switch (task.status) {
    case 0:
      return '未达成';
    case 1:
      return `领取 ${formatTokenDisplay(task.rewardTokens)}`;
    case 2:
      return '✓ 已领取';
    default:
      return '未知';
  }
}

// 获取按钮样式类
function getButtonClass(task: DailyTaskItem): string {
  switch (task.status) {
    case 0:
      return 'btn-disabled';
    case 1:
      return 'btn-claimable';
    case 2:
      return 'btn-claimed';
    default:
      return '';
  }
}

// 获取进度条颜色
function getProgressColor(task: DailyTaskItem): string {
  if (task.status === 2)
    return '#FFD700'; // 已完成：金色
  if (task.status === 1)
    return '#67C23A'; // 可领取：绿色
  return '#409EFF'; // 进行中：蓝色
}
</script>

<template>
  <div v-loading="loading" class="daily-task-container">
    <div class="task-header">
      <h2>每日任务</h2>
      <p class="task-desc">
        完成每日任务，领取额外尊享包 Token 奖励，可累加重复
      </p>
    </div>

    <div v-if="taskData" class="task-content">
      <!-- 今日消耗统计 -->
      <div class="consumption-card">
        <div class="consumption-icon">
          🔥
        </div>
        <div class="consumption-info">
          <div class="consumption-label">
            今日尊享包消耗
          </div>
          <div class="consumption-value">
            {{ formatTokenDisplay(taskData.todayConsumedTokens) }} Tokens
          </div>
        </div>
      </div>

      <!-- 任务列表 -->
      <div class="task-list">
        <div
          v-for="task in taskData.tasks"
          :key="task.level"
          class="task-item"
          :class="{
            'task-completed': task.status === 2,
            'task-claimable': task.status === 1,
          }"
        >
          <div class="task-icon">
            <span v-if="task.status === 2">🎁</span>
            <span v-else-if="task.status === 1">✨</span>
            <span v-else>📦</span>
          </div>

          <div class="task-main">
            <div class="task-title">
              <span class="task-name">{{ task.name }}</span>
              <span class="task-badge" :class="`badge-status-${task.status}`">
                {{ task.status === 0 ? '未完成' : task.status === 1 ? '可领取' : '已完成' }}
              </span>
            </div>

            <div class="task-description">
              {{ task.description }}
            </div>

            <div class="task-progress-section">
              <div class="progress-info">
                <span class="progress-text">
                  {{ formatTokenDisplay(taskData.todayConsumedTokens) }} / {{ formatTokenDisplay(task.requiredTokens) }}
                </span>
                <span class="progress-percent">{{ task.progress.toFixed(0) }}%</span>
              </div>
              <el-progress
                :percentage="Math.min(task.progress, 100)"
                :color="getProgressColor(task)"
                :show-text="false"
                :stroke-width="8"
              />
            </div>

            <div class="task-reward">
              <span class="reward-label">奖励：</span>
              <span class="reward-value">{{ formatTokenDisplay(task.rewardTokens) }} Tokens</span>
            </div>
          </div>

          <div class="task-action">
            <el-button
              :class="getButtonClass(task)"
              :disabled="task.status !== 1 || claiming[task.level]"
              :loading="claiming[task.level]"
              size="large"
              @click="handleClaim(task)"
            >
              {{ getStatusText(task) }}
            </el-button>
          </div>
        </div>
      </div>

      <!-- 提示信息 -->
      <div class="task-tips">
        <el-alert
          title="温馨提示"
          type="info"
          :closable="false"
        >
          <template #default>
            <ul>
              <li>任务每日 0 点自动重置</li>
              <li>使用尊享包模型消耗的 Token 计入任务进度</li>
              <li>完成任务后立即领取奖励，奖励直接发放到您的尊享包账户</li>
            </ul>
          </template>
        </el-alert>
      </div>
    </div>
  </div>
</template>

<style scoped>
.daily-task-container {
  min-height: 400px;
  height: 100%;
  overflow-y: auto;
}

.task-header {
  margin-bottom: 24px;
}

.task-header h2 {
  margin: 0 0 8px 0;
  font-size: 24px;
  font-weight: bold;
  color: #303133;
}

.task-desc {
  margin: 0;
  color: #909399;
  font-size: 14px;
}

.task-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 消耗统计卡片 */
.consumption-card {
  display: flex;
  align-items: center;
  padding: 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 12px;
  color: white;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.consumption-icon {
  font-size: 48px;
  margin-right: 20px;
}

.consumption-info {
  flex: 1;
}

.consumption-label {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: 4px;
}

.consumption-value {
  font-size: 32px;
  font-weight: bold;
}

/* 任务列表 */
.task-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.task-item {
  display: flex;
  align-items: stretch;
  padding: 20px;
  background: #ffffff;
  border: 2px solid #e4e7ed;
  border-radius: 12px;
  transition: all 0.3s;
}

.task-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.task-item.task-claimable {
  border-color: #67C23A;
  background: linear-gradient(to right, rgba(103, 194, 58, 0.05) 0%, transparent 100%);
}

.task-item.task-completed {
  border-color: #FFD700;
  background: linear-gradient(to right, rgba(255, 215, 0, 0.05) 0%, transparent 100%);
}

.task-icon {
  font-size: 48px;
  margin-right: 20px;
  display: flex;
  align-items: center;
}

.task-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.task-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.task-name {
  font-size: 18px;
  font-weight: bold;
  color: #303133;
}

.task-badge {
  padding: 2px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.badge-status-0 {
  background: #f4f4f5;
  color: #909399;
}

.badge-status-1 {
  background: #f0f9ff;
  color: #67C23A;
  animation: pulse 2s infinite;
}

.badge-status-2 {
  background: #fffbf0;
  color: #FFD700;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.task-description {
  color: #606266;
  font-size: 14px;
}

.task-progress-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #909399;
}

.progress-text {
  font-weight: 500;
}

.progress-percent {
  font-weight: bold;
}

.task-reward {
  font-size: 14px;
}

.reward-label {
  color: #909399;
}

.reward-value {
  color: #F56C6C;
  font-weight: bold;
  font-size: 16px;
}

.task-action {
  display: flex;
  align-items: center;
  margin-left: 20px;
}

/* 按钮样式 */
.btn-disabled {
  background: #f4f4f5;
  border-color: #e4e7ed;
  color: #909399;
}

.btn-claimable {
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
  border: none;
  color: white;
  font-weight: bold;
  animation: shimmer 2s infinite;
}

.btn-claimable:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(255, 215, 0, 0.5);
}

@keyframes shimmer {
  0%, 100% {
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.6);
  }
  50% {
    box-shadow: 0 0 40px rgba(255, 215, 0, 0.8);
  }
}

.btn-claimed {
  background: #f4f4f5;
  border-color: #e4e7ed;
  color: #67C23A;
}

/* 提示信息 */
.task-tips {
  margin-top: 8px;
}

.task-tips ul {
  margin: 8px 0 0 0;
  padding-left: 20px;
}

.task-tips li {
  margin: 4px 0;
  font-size: 13px;
  color: #606266;
}

/* 移动端响应式优化 */
@media (max-width: 768px) {
  .daily-task-container {
    padding: 12px;
  }

  .task-header h2 {
    font-size: 20px;
  }

  .task-desc {
    font-size: 13px;
  }

  /* 消耗统计卡片 */
  .consumption-card {
    padding: 16px;
    flex-direction: column;
    text-align: center;
  }

  .consumption-icon {
    font-size: 40px;
    margin-right: 0;
    margin-bottom: 12px;
  }

  .consumption-value {
    font-size: 28px;
  }

  /* 任务列表 */
  .task-item {
    flex-direction: column;
    padding: 16px;
    gap: 12px;
  }

  .task-icon {
    font-size: 40px;
    margin-right: 0;
    margin-bottom: 8px;
    justify-content: center;
  }

  .task-main {
    gap: 10px;
  }

  .task-title {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .task-name {
    font-size: 16px;
  }

  .task-description {
    font-size: 13px;
  }

  .task-action {
    margin-left: 0;
    width: 100%;
  }

  .task-action .el-button {
    width: 100%;
  }

  .task-tips ul {
    padding-left: 16px;
  }

  .task-tips li {
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .daily-task-container {
    padding: 8px;
  }

  .task-header h2 {
    font-size: 18px;
  }

  .consumption-card {
    padding: 12px;
  }

  .consumption-icon {
    font-size: 36px;
  }

  .consumption-value {
    font-size: 24px;
  }

  .task-item {
    padding: 12px;
  }

  .task-name {
    font-size: 15px;
  }

  .reward-value {
    font-size: 15px;
  }
}
</style>
